Move the signal lever down (for a left turn) or up (for a right turn) to the stop position. The signal will self-cancel after the turn is completed.
If the indicator light continues to flash after a turn, manually return the lever to its original position.

The turn signal indicators in the instrument cluster flash according to the operation of the turn signal lever to show which signal is working.

NOTE
Turn and Lane-Change Signals
Lane-Change Signals and Three-Flash Turn SignalMazda 6 Owners Manual: Viewing the Display
Guide lines which indicate the width of the vehicle (yellow) are displayed on
the screen as a reference to the approximate width of the vehicle in comparison
to the width of the parking space you are about to back into.
Use this display view for parking your vehicle in a parking space or garage ...
Mazda 6 Owners Manual: Units
Conversion to SI Units (Système International d'Unités)
All numerical values in this manual are based on SI units. Numbers shown
in conventional units are converted from these values.
Rounding Off
Converted values are rounded off to the same number of places as the SI
unit value ...